Process - How do I download a Pricelist (Price List)


Process - Inventory Control Purchasing

Failure Troubleshooting

Heco Daily Procedures

Vendor - Unimacts

CPM California Pavment Maint


Western Trailer

vertical shaft carwash lubrication

Foster - Texadraulics

Thrust Loads

Process - Nickel Plating

Product - M16 Seal Carrier configurations

Process - Server Reboot

Nickel Plating

click here

New 2" Output Shaft
Heco is pleased to announce the introduction of a new 2" straight keyed output shaft. This new shaft, designated Code 6, is a available on all Model 16 reducers, and can ship from Heco based upon our standard lead-time of 4-6 weeks. There will be no additional charge when choosing this shaft option. Code 6 is a 2.000" Straight Keyed, and there is no additional charge for this option.

New Auger Output Shafts
Heco is pleased to announce the introduction of two new output shaft configurations for our Model 16 series of Reducers. The new shafts are used in standard auger configurations and make the HECO Model 16 a very desirable alternative for these types of applications. Code 7 is a 2.545" Straight Keyed Shaft w/ Cross Drilled Hole, and the additional charge for this option is $88. Code 8 is a 2.000" Hex w/ Cross Drilled Hole, and the additional charge for this option is $125.

Replacement Planet Gears and Planet Bearings
Part numbers 15005D (Model 16 planetary gear) and 151130 (Model 16 planetary bearing) are no longer available. These parts have been replaced by part numbers 15006NR (New Model 16 planetary gear) and 151150 (New Model 16 planetary bearing). The "new" style gears and bearings have been used for the past six years in all revision 4 series Model 16, Model 16D, Model 20D, Model 50D and Model 52T reducers. The "new" gears and bearings will work in revision 3 reducers, but they must be purchased and installed in sets (one 15006NR and two 151150), since the old bearings are not compatible with the "new" gears and the "new" bearings are not compatible with the old gears. It is very difficult to discern between the old and "new" style visually because there is only a 1mm differentiation. 

OEM Design Assistance

Process - PC Problems

Satisfied Customer from 1979
August 29 ,2005 Dear Sir Back in 09/05/79 we purchased a Heco Model 50 A 4C 61B Gear reduction drive. This was used on a sawmill carriage drive and I am building a new one and would like to now what drive takes the place of the one above. Thank You Dale A. Jarvis: Owner

Charlynn VIS

Process - Inventory Count

Inventory Emergency Plan

Freight Logistics

Heco Selling Policy



Instructions - Assembly
Assembly Instructions Warning: Standard safety practices must be followed during the procedures described herein. Eye protection is mandatory. Clean exterior of unit prior to attempting disassembly. Remove unit to clean work area. 1) Lubricate planet bearings (27) and slip into planet gear (28). (fig. 9) 2) Lubricate thrust washers (26), place one washer on each side of the planet gear (28). Place planet gear and thrust washer into planet carrier (20). (fig. 9) 3) Lubricate planet pin (29) and insert into planet pin hole in planet carrier (20) from splined side of carrier. Drive planet pin (29) through thrust washers and planet gear, into opposite planet pin hole in carrier housing. (fig. 5 & 9) 4) Secure planet pin (29) with retaining rings (30) on each end of planet pin. (fig. 9) 5) Repeat steps 1-4 for installation of two remaining planet gears. At this point, carrier assembly is complete 6) Stand output shaft in vice or press and press thrust plug (8) into shaft (7). (fig. 2) 7) Using an appropriate tool, press bearing cups (11) and (15) into the housing. Important Note: Insure cups are square with counterbore before seating. 8) Press bearing cone (10) onto end of output shaft (7) using appropriate tool. Seat bearing cone against shoulder on shaft. Note: If flange shaft unit is being assembled the assembled seal carrier must be in position prior to installing bearing cone (10). (See instructions 20,21,22 for assembly detail) 9) Stand output shaft (7) and assembled cone securely in vice with input spline of shaft up. 10) Stand housing (12) on shaft. Seat bearing cone (10) against bearing cup (11) in housing. 11) Press bearing cone (16) onto end of shaft (7) or heat bearing cone (16) to approximately 180-200° and slip into place. (HECO recommends heating the bearing cone) Seat bearing cone against its cup in housing. 12) Install keyed washer (17) and lock washer (18) on threaded end of shaft. Apply never-seize or similar lubricant on threads and thread lock nut (19) onto shaft. It is important to rotate housing to seat bearings while tightening lock nut until housing resists rotation and end play is minimal (fig. 4 & 6) (250 in-lbs +-15%) 13) Locate tab on lock washer in line with slot on lock nut and bend tab into slot to prevent lock nut from loosening. (fig. 4) 14) Lubricate spline end of shaft (7), lay retaining ring (9) on end of shaft. Slide planet carrier assembly spline onto shaft spline. Reach through the planet carrier and seat retaining ring (9) into groove at end of shaft (7). (fig. 2) This is best accomplished using two long screwdrivers. (fig. 3) 15) Lubricate O-rings (14) Place one O-ring (14) around pilot on bearing housing. Note: Check for sharp edges or burrs on housing pilot. 16) Place internal gear (21) into mesh with planet gears (28) of planet carrier assembly. line up holes in internal gear with holes in housing (12). 17) Place other O-ring (14) on pilot of motor adapter (22). Note: Check for sharp edges or burrs on housing pilot. 18) Place motor adapter pilot into counterbore of internal gear (21). Line up holes in motor adapter with matching holes in internal gear. Insert eight grade 5 cap screws (24) with lock washers, in holes. Tighten to 60-75 ft.lbs. torque. (fig. 1) Note: 2/4C motor adapter requires eight grade 8 studs rather than cap screws. (fig. 1) 19) Turn unit over and stand on motor adapter end. 20) Lubricate backup ring (4), quad ring (5) and O-ring (6). Insert backup ring and quad ring in groove of seal carrier. (fig. 10) Place O-ring (6) on seal carrier pilot. (fig. 8) Note: High pressure seal carrier uses 1 poly seal in place of quad ring and backup ring. (fig. 11) Note: Check for sharp edges or burrs on housing pilot. 21) Press seal (2) into is counterbore in seal carrier. (fig. 10) The open face of the seal should be up. This seal functions as a wiper only and is installed to keep contaminants our of the unit. 22) Lubricate output shaft (7) and shaft seal (2). Place seal carrier (3) with backup ring, quad ring and O-ring installed, over output shaft (7) and carefully slide seal carrier into position. (fig. 8) Line up holes, insert six socket grade 8 head cap screws (1) in holes and tighten to 20-25 ft.lbs. torque. (fig. 7) 23) Tighten pipe plugs (13 & 23) into holes in housing (12) and motor adapter (22) using a thread sealing compound. 24) At this point unit assembly is complete. Note: Before placing unit in service, insure unit is filled with correct amount and grade of gear lubricant. See lubrication instructions of further information.

New Version Model 16

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Definition? Design Life/Service Factors
The torque rating and radial load capacity shown for all Heco gear boxes are for a service factor of 1.0. For all other service factors the gear box should be derated by the service factor from the table below. 1.0 - Mixers and Agitators with uniform density, Uniform Fed Conveyors (belt and auger) 1.2 - Heavy Duty Conveyors (belt and auger), Car Wash 1.4 - Booms, Cranes, Swing Drives, Heavy Mixers, Wheel Drives, Shakers 1.7 - Rolling Mills, Digging Augers, Wheel Drives Heco Rated Torque ÷ Service Factor must be equal to or greater than Applications Torque Heco Rated Radial load ÷ Service Factor must be equal to or greater than Applications Radial Load Input Torque * Gear Ratio = Output Torque Input Speed ÷ Gear Ration = Output Speed High torque and low speed or low torque and high speed will give the maximum life, expect a reduction in gear box life for combined high torque and high speed applications. The information on service factors is provided as a guide in preliminary selection of the gear box. The service factor is based upon the character of load, load application and load duration, and must be determined by an engineer familiar with the particular application. Peak loading may exceed the values shown if the nominal torque is well below the continuous torque rating, contact Heco Inc., for Miner’s Rule Calculation. Application analysis and customer testing is strongly recommended.

Instructions - Disassembly
Disassembly Instructions Warning: Standard safety practices must be followed during the procedures described herein. Eye protection is mandatory. Clean exterior of unit prior to attempting disassembly. Remove unit to clean work area. 1) Clamp mounting flange in vice shaft down taking care not to damage output shaft surface. 2) Remove pipe plug (13 or 23) from case and drain oil from unit. Retain oil for analysis. 3) Remove remaining two pipe plugs in housing (12) and motor adapter (22). 4) Remove hydraulic motor and examine for failures. Our experience indicates that motor failure is the most common cause of reducer failure. 5) Remove sungear (25) 6) Remove eight bolts (24) from motor adapter (22) (fig. 1) Note: Code 6, 2/4 SAE-C motor adapter, remove nuts from studs (24) 7) Remove motor adapter (22) from internal gear (21). 8) Lift internal gear (21) from housing (12). 9) Remove O-rings (14) from internal gear (21). 10) Remove retaining ring (9) from grove in shaft (7). Note: (9) is a wirelock retaining ring that retains the planet carrier assembly (2) on the output shaft (7). This locking ring must be pried out of the locking ring groove to remove the planet carrier assembly (20). This is typically accomplished by inserting tow long screwdrivers between the planet gears and carefully working the wirelock out of the locking groove. (fig. 2 & 3) 11) Lift planet carrier assembly (20) from shaft (7) 12) Bend tab on lock washer (18) away from lock nut (19). 13) Using a spanner wrench or HECO tool #19150, unscrew lock nut (19) and remove lock washer (18) and keyed washer (17). (fig. 4) 14) Take unit out of vice and turn it over. Remove six cap screws (1) from seal carrier (3). (fig. 7) 15) Remove seal carrier (3) from housing (12). 16) Remove O-ring (6), quad and backup ring or high pressure seal (4 & 5) and shaft seal (2) from seal carrier (3) and discard. (fig. 8) 17) Support housing (12) with output shaft down and press shaft (7) out of housing from input end of shaft. Note: Shaft may come out with bearing cone (16) attached. Remove bearing cone carefully to avoid damage to shaft. 18) Carefully drive bearing cups (11 & 15) out of housing (12). 19) Remove two retaining rings (3) from ends of planet pins (29). (fig. 9) 20) Support planet carrier (20) spline side down and drive planet pins (29) out of planet carrier (20). (fig. 9 & 5) 21) Remove planet gears (28) and thrust washers (26) and planet carrier. (fig. 9) 22) Remove planet bearings (27) from planet gears (28). 23) Examine brass thrust plug (8) in end of shaft (7). (fig. 2) If wear is apparent, remove by inserting a 1/4" self taping screw and jacking the plug out of the shaft. 24) Clean and examine all parts for wear or failure.

Product - Outer Seal / Wiper Seal

Product - Model 16 Universal Seal Carrier Flyer

Product - High Pressure Seals
High Pressure Shaft Seal HECO has introduced high pressure shaft seals for all models. This seal is made by Parker and offers the advantage of increased case pressure when using a bearingless Char-Lynn motor or any hydraulic motor that has been modified to allow case flow to lubricate the gear unit. This seal has been particularly effective in applications where the gear unit is operating vertically with the shaft down. In these applications the high pressure seal will allow more shaft deflection when when the shaft is operating in a high side load condition.

Product - Custom Configurations
HECO planetary speed reducers adapt to most hydraulic motors and applications, but if you have a custom application requiring a special shaft or mounting adapter, HECO engineers will work with you. HECO also welcomes custom OEM engineering work. Consult your local distributor for assistance.

Instructions? Venting
Breather or Return Line

Definition? Displacement/Effective Drive Displacement (gal/min)
Based on the input variables Output RPM, Required Torque, and System Pressure, the effective drive displacement is equal to the hydraulic motor displacement multiplied by the speed reducer ratio.

Definition? Radial Load / Shaft Load
Radial Load (lb) Side load on shaft. (See bearing curves)

Product - M16 Nickel Plated Flyer

Instructions? Bolt Thread Torque Specifications
Bolt SizeGradeTorque RangePart NumberDescription
5/16"-18820-25 ft·lbs15111Model 16 Seal Carrier Cap Screws
5/16"-18820-25 ft·lbs15111Model 20 Seal Carrier Cap Screws
5/16"-18820-25 ft·lbs50116Model 50 Seal Carrier Bolts
3/8"-16845-55 ft·lbs15110Model 16 Ring Gear Bolts w/Loctite
1/2"-138100-110 ft·lbs20109Model 20 Ring Gear Bolts
1/2"-138100-110 ft·lbs50115Model 50 Ring Gear Bolts
AN-11250-300 in·lbs15138Model 16 Bearing Lock-Nut
AN-16500-550 in·lbs20107Model 20 Bearing Lock-Nut
AN-19740-790 in·lbs50121Model 50 Bearing Lock-Nut

Instructions? M25 HD Lock Nut Installation Instructions

Definition? Continuous Torque Rating (lb-in)
Continuous Torque Rating The torque rating at or below which the speed reducer should yield satisfactory life. Life is dependent on operating speed at this rating and the lubrication used in the speed reducer. Maximum reducer life will be achieved when operating at lower output RPM.

Definition? Intermittent Torque Rating (lb-in)
Intermittent Torque Rating The intermittent torque rating should not exceed 10% of the operating duty cycle. Continued use of the speed reducer at the intermittent rating may significantly shorten the life of the speed reducer.

Definition? Peak Torque Rating
Peak Torque Rating The peak torque rating is the rating at which continued use can cause catastrophic failure. This peak rating should be considered a worst-case shock load and should not be considered part of a normal operating cycle.

Definition? Shock Loads / Jerk

Definition? Overrunning Loads
Overrunning loads induce forces into the speed reducer that can significantly shorten life. Heco speed reducers are typically driven by hydraulic motors that are connected inline with hydraulic relief valves to relieve pressure spikes in the hydraulic systems. In overrunning load conditions speed reducers are back-driven into the hydraulic motors which turns the motors into hydraulic pumps that create hydraulic system pressure spikes. Typically hydraulic cross-port relief or counter balance valves will relieve these pressure spikes. Because of inefficiencies in the hydraulic motors being driven as pumps it can take 150% of the typical drive operating torque to back-drive a speed reducer/hydraulic motor and create enough pressure for the hydraulic system cross port relief or counter balance valves to react. This condition is prevalent in swing or slewing drives as well as ground power drives on mobile equipment.

Definition? Horsepower Rating
Horsepower Ratings In the case of high-speed operation typically seen in Industrial applications, Horsepower may be the limiting design factor not just torque. Higher horsepower applications are typically the combination of high speed and high torque. In this case horsepower rather than torque may determine the size of the Heco speed reducer that best fits the application. Auxiliary cooling may be required in high horsepower and high speed applications. Consult Heco on these applicat

Definition? Speed Ratings
Heco speed reducers can accept high RPM input. Applications requiring simultaneous high speed and high torque operation will have short design life. Applications requiring high speed and low torque duty cycles or low speed and high torque duty cycles will have extended reducer life.

Instructions? Lubrication Oil Recommendation
For maximum speed reducer life the recommended oil is SAE 85W-140 Multi-grade gear oil meeting API-GL5 and API-MT1 service. Alternate oil that will provide adequate speed reducer life is SAE 90W gear oil meeting API-GL5 and API-MT1 service. These oils should be readily available at your local automotive store or lubricant dealer. When using a Bearingless hydraulic motor or “Flow Through” lubrication where hydraulic oil from the hydraulic motor lubricates the speed reducer an ISO 68 hydraulic oil with EP1 additives and a minimum of 0.125% zinc anti-wear additive will provide adequate speed reducer life. Maximum oil temperature should not exceed 160 0F (70 0C) for continuous operation or 180 0F (80 0C) for intermittent operation. Consult Heco Gear for applications requiring use of non-petroleum based or fire retardant lubrication.

How do I? ... Size a Reducer?
See your distributor for assistance.

Definition? Output Speed (rpm)
Based on a top range 3600 rpm input. Higher speeds generate heat. Proper lubrication is critical. See our Lubrication Instructions.

How do I? ... find Shaft Options
Click here

Process - UPS Machine

Price Increase 2007

Process - Price Increase

New Version Model 25

Q (Quad Ring) Seal Kits

Product - Wheel Studs

How do I? ... find News
Click here

How do I? ... learn more about Applications?
Click here

Definition? Quickship Program?
Quickship Program HECO offers a "Quick Ship" program on the shipment of all models. If all parts are in stock, the unit can be shipped within 24-48 hours for an expedite fee. Standard Leadtime Reducers - 4 to 6 weeks - When all required parts are in stock, standard lead time is 4 to 6 weeks. Parts - 24 hours - Generally, parts in stock can be shipped within 24 hours upon receipt of order.

How do I? ... Contact Heco?
Click here

How do I? ... find Price & Availability for parts?

25L 1-1/2-17T Sungear

Product - M16-V4 Quad Ring Seal

Product - Model 50 Revision Upgrade
Heco is introducing an revision to our Model 50 series. Changes include the Shaft Seal, Seal Carrier, and Compression Ring to the planet carrier.

Internal - Devries Seals

Product - Model 25 Quad Ring Seal carrier

How do I? ... I have a Serial Number - how do I find information on this unit?
See you distributor for assistance. They can lookup the serial number and provide information.

Definition? Design Life Explanation

Instructions? M16 Shaft Seal Replacement Instructions

Instructions? M16 Shaft-Up Lubrication Instructions

How do I? ... find more about Heco?
Click here

Direct Shipment Benefits

Oring O-ring identification

electric drive

click here

New Production Tools

Trade Show Tools

Customer Target Account Management

Upcoming Pricing - April 2006

Product Configurator
In the Product section of our web site, a Product Configurator walks you through the process of selecting options to build a speed reducer. Then you are provided with all the appropriate information, including Price, Installation Drawings, and List of Parts.

Heco Web Site
Heco unveils it's new web site, including a Distributor Extranet.

Process - Inventory Control KHK

Heco Toolbar

Current Model Versions

Frequently Asked Questions (FAQ)

Shipping Time Zone Advantages

Distributor Delight

Test Heco News

Process - Conference Call Genesys

Process - Serial Number Date Codes

Process - KHK Accounting


15004 Planet Carrier Assembly

Process - Sungear Material

Worm Kits


Accounts and Password

Phone Conference Calling

What Gear Box Oil Cleanliness is acceptable?
ISO 16/13 - Ideal ISO 18/15 - Good ISO 22/19 - Acceptable ISO 26/23 - Dirty, not Acceptable

Process - Sales


Price Increase 2009

Process - ISF 10 + 2

SAE-B motor mount now available for models 25 and 52D
SAE-B motor mount now available for models 25 and 52D.

16T M16 triple

Inventory - Thrustplug

Inventory - forged shafts

Vendor Codes

Variable Frequency Drive VFD

Process - gauge gage

Price Increase 2011

Reference: Time Zone

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Speed Pickup
The Speed Pickup option is now available for the Model 25.
click here

Vendor - Timken

Auburn 16H Misinformation


Process - AP Run Scanning

DISC Backup Tape

Rockwell Hardness

Bearing Lock Nut Socket Head Tools

Process - Faxing

Process: Flash Drive FlashDrive

Drawing Versions

Process: Certificate of Origin NAFTA Tarrif

Component Price Increase History

Bearing Life

Process - Printing

Recognizing gear failures

Version Serial Number Breaks

Customer - Eagle Equipment

Bolt Identification

Process - Pricing in DISC system

Booking, Market, Industry Statistics

Price Surcharges


Pascal Competitors

Process - Fixed Assets

Pascal Customer Prospects

Material Grades

Process - Applied Industrial Technologies

Computer IT Support Vendors Sacramento

phone transfer

Price Increase 2008

Vendor - Devries

Process - Extranet signup request letter

Product - Model 20 and Model 25 Shaft Seal History
The original Model 20 seal arrangement used a Quad Ring and Teflon back up ring for the pressure seal and a mechanical seal installed in the reverse direction as a “wiper” to keep external contamination away from the sealing area of the shaft. These seals were installed in a seal carrier that bolted to the front housing of the reducer. There was also an O ring that fit in an groove on the seal carrier that sealed the static interface between the seal carrier and the front housing of the reducer. The Quad Ring is Part #201170 (1 ea) The Teflon Back Up ring is Part #201190 (1 ea) The Wiper/Seal was Part #201500 (1 ea) not available and replaced fit and function by Part #251100 Two O rings to seal the body sections Part # 201010 This is seal kit SK20-4 When we brought out the Model 25 we did away with the Quad Ring shaft seal and Teflon back up ring and went to a mechanical type of shaft seal. These seals were tested by us at 100 PSI in the case of a reducer and went over 10,000,000 cycles without failure or significant shaft wear. We installed the same seal model in a seal carrier in two places, one seal facing inward to seal the gearbox and the second facing outward to act as a wiper. The pilot of the seal carrier had to be made larger to fit the larger opening in the reducer housing caused by the larger shaft bearings. There was also an O ring seal in a groove around this pilot area. The mechanical seals are Part # 251100 (2 ea) The O Ring is Part #251320 (1 ea) Two O rings to seal the body sections Part # 201010 This is seal kit SK25-1 When we introduced the Model 25 we also came out with a 20U seal kit that could be used to update existing Model 20 reducers to the Model 25 Seals. This kit requires a new seal carrier that has a pilot diameter that fits into the Model 20 and seal pockets that fit the new seals. There is also an O ring seal to seal between the pilot and the housing. The mechanical seals are Part #251100 (2 ea) The O Ring is Part #200690 (1 ea) The seal carrier is Part #200660 Two O rings to seal the body sections Part # 201010 This is seal kit SK20U

Incoming Wire Transfer Information

Process - ConExpo

Buy, Purchase, Order
How do I? ... Place an Order? Find a Distributor?
Contact your local distributor. Click here and click your state for help finding a distributor.
Discount Schedule
Discount Schedule

We will not share or sell your information and only use it to provide you with personalized service. We use cookies to provide you personalized service. Heco Inc provides these links and images for your personal use only. Heco Inc has no control over the content of external sites. Links are provided for your convenience only, and does not imply endorsement of any kind by Heco Inc. If you find something inaccurate or would like to suggest an addition or modification, email us.
Personnel, employees, contacts, users
How do I? ... view which employees from our company is registered with Heco?

Price, Pricing, Available, Availability
How do I? ... find Price & Availability for reducers?
Heco builds reducers to order. Go to the Products section, select the options for your reducer. Then select the Parts List (Bill of Materials), which will display all the component parts and the on-hand quantity available.
Prospects, Possible, Customers, Leads,
How do I? ... find Prospects and Possible Customers in our market?

Rev7 Rev 7 Rev-7 Revison7 Revison-7
Product - Heco Model 16 Design Code Revision 7
Heco Model 16 Design Code Revision 7 Over the next several months Heco will be phasing in the new design code 7 on our Model 16 Series of reducers. This design change does not effect the fit or function of the reducer. We are changing the bearings in the planet carrier for longer planet bearing life. This, in turn, changes the planet gears, planet pins and planet carrier. These parts will not be individually interchangeable with the same parts from design code 6. A complete planet carrier assembly (part #15711) will be available and will fit design codes 6,5 and 4 reducers as a replacement part. The design code 7 planet carriers are also used on the 25D and 50D reducers. The design code with the new planet carrier on the 25D will be code 2. The design code with the new planet carrier on the 50D will be design code 7. The design code is found in the following position in the model code: 16FF105-7 25DCF1031-2 50DCF1031-7 52TCF10187-8 If you have questions about this change and any effect it will have on you or your applications please contact Darryl Fine (Ext.249) or Allen Rasmussen (Ext. 215). We will be happy to discuss this with you.
sungear, sun-gear, sun gear,
How do I? ... find information on sungears
For a table of options Click here
click here
Warranty Policy
Heco Incorporated (Heco), dba HECO GEAR, warrants its Planetary Gear Products to be free from defects in material and workmanship for a period of twelve (12) months from the date of first use or eighteen (18) months from the date of manufacture, whichever occurs first. Any Product Buyer claims to be defective must be returned by Buyer to Heco for inspection by Heco factory personnel at Heco’s factory. Buyer’s sole remedy with respect to any defective Product shall be replacement or repair of the part or Product determined to be defective by Heco’s factory inspection, at Heco’s option. Neither Heco nor any of its agents shall be liable for any consequential, incidental, indirect or special damages, including any lost profits or lost savings arising out of the use or inability to use any Product, or damages for personal injury or property damage resulting directly or indirectly to Buyer or any other person from the possession, ownership, or use of any Heco products deemed to be defective, even if Heco has been advised of the possibility of such damages. This Warranty does not apply to any Product that has been disassembled or modified in any way outside of Heco’s factory or to failures due to reasons other than defects such as accidents or misuse. Any alterations or modifications made to the Product (other than those made by Heco) shall render this Warranty null and void. No oral or written information or advice given by Heco, its dealers, distributors, agents or employees will create a warranty or in any way increase the scope of the limited warranty set forth herein, and Buyer may not rely on any such information or advice. THIS IS THE SOLE AND ONLY WARRANTY OF HECO AND NO OTHER WARRANTY IS APPLICABLE, EITHER EXPRESSED OR IMPLIED, IN FACT OR BY LAW, INCLUDING ANY WARRANTY AS TO MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE, WHICH WARRANTIES ARE SPECIFICLY WAIVED BY BUYER.